char drawing

need to fix row ordering

1 files changed, 19 insertions, 0 deletions

diff --git a/transpose.py b/transpose.py
new file mode 100644
index 0000000..c2db0c5
--- /dev/null
+++ b/transpose.py
@@ -0,0 +1,19 @@
+import sys
+
+chars = []
+with open(sys.argv[1], "rb") as f:
+    print("const uint8_t c64_chars[512][8] = {")
+    
+    while char := f.read(8):
+        transposed = [0] * 8
+        for i in range(8):
+            for j in range(8):
+                bit = char[i] & (0b1000000 >> j)
+                bit <<= j
+
+                transposed[j] |= bit >> i
+
+        joined = ", ".join(str(t) for t in transposed)
+        print(f"  {{{joined}}},")
+
+    print("};")